Treme's executive producer Eric Overmyer has explained that the show is focused on its characters.

The series, conceived by The Wire co-creator David Simon, follows a group of people in New Orleans trying to rebuild their lives after Hurricane Katrina.

However, Overmyer explained that the show's characters are more important than any overriding themes.

"We're learning about these characters as we go," he told TV Guide. "We had some notions about these characters to begin with, but they've all changed and evolved as we've discovered how the show works."

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Overmyer continued: "I think at the end of the season, the characters end where they end at that moment in time. Some people are thinking about leaving, some are more determined than ever to stay. It's just human stuff - it's about these characters and not about New Orleans as the whole."